<template>
	<view>
		<view class="uni-header">
			<view class="uni-group">
				<view class="uni-title"></view>
				<view class="uni-sub-title"></view>
			</view>
			<view class="uni-group">
				<input class="uni-search" type="text" v-model="query" @confirm="search" placeholder="请输入商品名" />
				<button class="uni-button" type="default" size="mini" @click="search">搜索</button>
				<button class="uni-button" type="default" size="mini" @click="navigateTo('./add')">新增</button>
				<button class="uni-button" type="default" size="mini" :disabled="!selectedIndexs.length"
					@click="delTable">批量删除</button>
				<download-excel class="hide-on-phone" :fields="exportExcel.fields" :data="exportExcelData"
					:type="exportExcel.type" :name="exportExcel.filename">
					<button class="uni-button" type="primary" size="mini">导出 Excel</button>
				</download-excel>
			</view>
		</view>
		<view class="uni-container">
			<unicloud-db ref="udb" :collection="collectionList"
				field="category_name,goods_sn,name,goods_price,keywords,goods_desc,goods_thumb,goods_banner_imgs,remain_count,month_sell_count,total_sell_count,comment_count,is_special_offer,is_real,is_on_sale,is_alone_sale,is_best,is_new,is_hot,add_date,last_modify_date,seller_note"
				:where="where" page-data="replace" :orderby="orderby" :getcount="true" :page-size="options.pageSize"
				:page-current="options.pageCurrent" v-slot:default="{data,pagination,loading,error,options}"
				:options="options" loadtime="manual" @load="onqueryload">
				<uni-table ref="table" :loading="loading" :emptyText="error.message || '没有更多数据'" border stripe
					type="selection" @selection-change="selectionChange">
					<uni-tr>
						<uni-th align="center" sortable @sort-change="sortChange($event, 'category_name')">分类名</uni-th>
						<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'goods_sn')"
							sortable @sort-change="sortChange($event, 'goods_sn')">货号</uni-th>
						<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'name')"
							sortable @sort-change="sortChange($event, 'name')">名称</uni-th>
						<uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'goods_price')"
							sortable @sort-change="sortChange($event, 'goods_price')">商品价格</uni-th>
						<!--            <uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'keywords')" sortable @sort-change="sortChange($event, 'keywords')">关键字</uni-th> -->
						<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'goods_desc')"
							sortable @sort-change="sortChange($event, 'goods_desc')">详细描述</uni-th>
						<uni-th align="center" sortable @sort-change="sortChange($event, 'goods_thumb')">缩略图</uni-th>
						<uni-th align="center" sortable
							@sort-change="sortChange($event, 'goods_banner_imgs')">详情页图</uni-th>
						<uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'remain_count')"
							sortable @sort-change="sortChange($event, 'remain_count')">库存数量</uni-th>
						<!--            <uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'month_sell_count')" sortable @sort-change="sortChange($event, 'month_sell_count')">月销量</uni-th>
            <uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'total_sell_count')" sortable @sort-change="sortChange($event, 'total_sell_count')">总销量</uni-th>
            <uni-th align="center" filter-type="range" @filter-change="filterChange($event, 'comment_count')" sortable @sort-change="sortChange($event, 'comment_count')">累计评论数</uni-th>
            <uni-th align="center" sortable @sort-change="sortChange($event, 'is_special_offer')">是否特价</uni-th>
            <uni-th align="center" sortable @sort-change="sortChange($event, 'is_real')">是否为实物</uni-th> -->
						<uni-th align="center" sortable @sort-change="sortChange($event, 'is_on_sale')">是否上架</uni-th>
						<!--            <uni-th align="center" sortable @sort-change="sortChange($event, 'is_alone_sale')">是否能单独销售</uni-th>
            <uni-th align="center" sortable @sort-change="sortChange($event, 'is_best')">是否精品</uni-th>
            <uni-th align="center" sortable @sort-change="sortChange($event, 'is_new')">是否新品</uni-th>
            <uni-th align="center" sortable @sort-change="sortChange($event, 'is_hot')">是否热销</uni-th> -->
						<uni-th align="center" filter-type="timestamp" @filter-change="filterChange($event, 'add_date')"
							sortable @sort-change="sortChange($event, 'add_date')">上架时间</uni-th>
						<!--            <uni-th align="center" filter-type="timestamp" @filter-change="filterChange($event, 'last_modify_date')" sortable @sort-change="sortChange($event, 'last_modify_date')">最后修改时间</uni-th> -->
						<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'seller_note')"
							sortable @sort-change="sortChange($event, 'seller_note')">商家备注</uni-th>
						<uni-th align="center">操作</uni-th>
					</uni-tr>
					<uni-tr v-for="(item,index) in data" :key="index">
						<uni-td align="center">{{item.category_name}}</uni-td>
						<uni-td align="center">{{item.goods_sn}}</uni-td>
						<uni-td align="center">{{item.name}}</uni-td>
						<uni-td align="center">{{item.goods_price}}</uni-td>
						<!-- <uni-td align="center">{{item.keywords}}</uni-td> -->
						<uni-td align="center">{{item.goods_desc}}</uni-td>
						<uni-td align="center">
							<uni-file-picker v-if="item.goods_thumb && item.goods_thumb.fileType == 'image'"
								:value="item.goods_thumb"
								:file-mediatype="item.goods_thumb && item.goods_thumb.fileType" return-type="object"
								:imageStyles="imageStyles" readonly></uni-file-picker>
							<uni-link v-else :href="item.goods_thumb && item.goods_thumb.url"
								:text="item.goods_thumb && item.goods_thumb.url"></uni-link>
						</uni-td>
						<uni-td align="center">
							<template v-for="(file, j) in item.goods_banner_imgs">
								<uni-file-picker v-if="file.fileType == 'image'" :value="file"
									:file-mediatype="file.fileType" :imageStyles="imageStyles"
									readonly></uni-file-picker>
								<uni-link v-else :href="file.url" :text="file.url"></uni-link>
							</template>
						</uni-td>
						<uni-td align="center">{{item.remain_count}}</uni-td>
						<!--            <uni-td align="center">{{item.month_sell_count}}</uni-td>
            <uni-td align="center">{{item.total_sell_count}}</uni-td>
            <uni-td align="center">{{item.comment_count}}</uni-td>
            <uni-td align="center">{{item.is_special_offer == true ? '✅' : '❌'}}</uni-td>
            <uni-td align="center">{{item.is_real == true ? '✅' : '❌'}}</uni-td> -->
						<uni-td align="center">{{item.is_on_sale == true ? '✅' : '❌'}}</uni-td>
						<!--            <uni-td align="center">{{item.is_alone_sale == true ? '✅' : '❌'}}</uni-td>
            <uni-td align="center">{{item.is_best == true ? '✅' : '❌'}}</uni-td>
            <uni-td align="center">{{item.is_new == true ? '✅' : '❌'}}</uni-td>
            <uni-td align="center">{{item.is_hot == true ? '✅' : '❌'}}</uni-td> -->
						<uni-td align="center">
							<uni-dateformat :threshold="[0, 0]" :date="item.add_date"></uni-dateformat>
						</uni-td>
						<!--            <uni-td align="center">
              <uni-dateformat :threshold="[0, 0]" :date="item.last_modify_date"></uni-dateformat>
            </uni-td> -->
						<uni-td align="center">{{item.seller_note}}</uni-td>
						<uni-td align="center">
							<view class="uni-group">
								<button @click="navigateTo('./edit?id='+item._id, false)" class="uni-button" size="mini"
									type="primary">修改</button>
								<button @click="confirmDelete(item._id)" class="uni-button" size="mini"
									type="warn">删除</button>
							</view>
						</uni-td>
					</uni-tr>
				</uni-table>
				<view class="uni-pagination-box">
					<uni-pagination show-icon :page-size="pagination.size" v-model="pagination.current"
						:total="pagination.count" @change="onPageChanged" />
				</view>
			</unicloud-db>
		</view>
	</view>
</template>

<script>
	import {
		enumConverter,
		filterToWhere
	} from '../../js_sdk/validator/opendb-mall-goods.js';

	const db = uniCloud.database()
	// 表查询配置
	const dbOrderBy = '' // 排序字段
	const dbSearchFields = [] // 模糊搜索字段，支持模糊搜索的字段列表。联表查询格式: 主表字段名.副表字段名，例如用户表关联角色表 role.role_name
	// 分页配置
	const pageSize = 20
	const pageCurrent = 1

	const orderByMapping = {
		"ascending": "asc",
		"descending": "desc"
	}

	export default {
		data() {
			return {
				collectionList: "opendb-mall-goods",
				query: '',
				where: '',
				orderby: dbOrderBy,
				orderByFieldName: "",
				selectedIndexs: [],
				options: {
					pageSize,
					pageCurrent,
					filterData: {},
					...enumConverter
				},
				imageStyles: {
					width: 64,
					height: 64
				},
				exportExcel: {
					"filename": "opendb-mall-goods.xls",
					"type": "xls",
					"fields": {
						"分类名": "category_name",
						"货号": "goods_sn",
						"名称": "name",
						"商品价格": "goods_price",
						"关键字": "keywords",
						"详细描述": "goods_desc",
						"缩略图": "goods_thumb",
						"商品详情页的banner图地址": "goods_banner_imgs",
						"库存数量": "remain_count",
						"月销量": "month_sell_count",
						"总销量": "total_sell_count",
						"累计评论数": "comment_count",
						"是否特价": "is_special_offer",
						"是否为实物": "is_real",
						"是否上架": "is_on_sale",
						"是否能单独销售": "is_alone_sale",
						"是否精品": "is_best",
						"是否新品": "is_new",
						"是否热销": "is_hot",
						"上架时间": "add_date",
						"最后修改时间": "last_modify_date",
						"商家备注": "seller_note"
					}
				},
				exportExcelData: []
			}
		},
		onLoad() {
			this._filter = {}
		},
		onReady() {
			this.$refs.udb.loadData()
		},
		methods: {
			onqueryload(data) {
				this.exportExcelData = data
			},
			getWhere() {
				const query = this.query.trim()
				if (!query) {
					return ''
				}
				return `${new RegExp(query, 'i')}.test(name)`
			},
			search() {
				const newWhere = this.getWhere()
				this.where = newWhere
				this.$nextTick(() => {
					this.loadData()
				})
			},
			loadData(clear = true) {
				this.$refs.udb.loadData({
					clear
				})
			},
			onPageChanged(e) {
				this.selectedIndexs.length = 0
				this.$refs.table.clearSelection()
				this.$refs.udb.loadData({
					current: e.current
				})
			},
			navigateTo(url, clear) {
				// clear 表示刷新列表时是否清除页码，true 表示刷新并回到列表第 1 页，默认为 true
				uni.navigateTo({
					url,
					events: {
						refreshData: () => {
							this.loadData(clear)
						}
					}
				})
			},
			// 多选处理
			selectedItems() {
				var dataList = this.$refs.udb.dataList
				return this.selectedIndexs.map(i => dataList[i]._id)
			},
			// 批量删除
			delTable() {
				this.$refs.udb.remove(this.selectedItems(), {
					success: (res) => {
						this.$refs.table.clearSelection()
					}
				})
			},
			// 多选
			selectionChange(e) {
				this.selectedIndexs = e.detail.index
			},
			confirmDelete(id) {
				this.$refs.udb.remove(id, {
					success: (res) => {
						this.$refs.table.clearSelection()
					}
				})
			},
			sortChange(e, name) {
				this.orderByFieldName = name;
				if (e.order) {
					this.orderby = name + ' ' + orderByMapping[e.order]
				} else {
					this.orderby = ''
				}
				this.$refs.table.clearSelection()
				this.$nextTick(() => {
					this.$refs.udb.loadData()
				})
			},
			filterChange(e, name) {
				this._filter[name] = {
					type: e.filterType,
					value: e.filter
				}
				let newWhere = filterToWhere(this._filter, db.command)
				if (Object.keys(newWhere).length) {
					this.where = newWhere
				} else {
					this.where = ''
				}
				this.$nextTick(() => {
					this.$refs.udb.loadData()
				})
			}
		}
	}
</script>

<style>
</style>